define(function(require,exports,module){
    var VERSION = '1.0',
        jQuery = $ = require("jquery-1.8.2.min");

    function format( source, params ) {
        if ( arguments.length === 1 ) {
            return function() {
                var args = $.makeArray(arguments);
                args.unshift(source);
                return format.apply( this, args );
            };
        }
        if ( arguments.length > 2 && params.constructor !== Array  ) {
            params = $.makeArray(arguments).slice(1);
        }
        if ( params.constructor !== Array ) {
            params = [ params ];
        }
        $.each(params, function( i, n ) {
            source = source.replace( new RegExp("\\{" + i + "\\}", "g"), function() {
                return n;
            });
        });
        return source;
    }

    var methods = {
        required: function( value, element, param ) {
            if ( !this.depend(param, element) ) {
                return "dependency-mismatch";
            }
            if ( element.nodeName.toLowerCase() === "select" ) {
                var val = $(element).val();
                return val && val.length > 0;
            }
            if ( this.checkable(element) ) {
                return this.getLength(value, element) > 0;
            }
            return $.trim(value).length > 0;
        },
        email: function( value, element ) {
            return this.optional(element) || /^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))$/i.test(value);
        },
        url: function( value, element ) {
            return this.optional(element) || /^(https?|s?ftp):\/\/(((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:)*@)?(((\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5]))|((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?)(:\d*)?)(\/((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)?)?(\?((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|[\uE000-\uF8FF]|\/|\?)*)?(#((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|\/|\?)*)?$/i.test(value);
        },
        date: function( value, element ) {
            return this.optional(element) || !/Invalid|NaN/.test(new Date(value).toString());
        },
        dateISO: function( value, element ) {
            return this.optional(element) || /^\d{4}[\/\-]\d{1,2}[\/\-]\d{1,2}$/.test(value);
        },
        number: function( value, element ) {
            return this.optional(element) || /^-?(?:\d+|\d{1,3}(?:,\d{3})+)?(?:\.\d+)?$/.test(value);
        },
        digits: function( value, element ) {
            return this.optional(element) || /^\d+$/.test(value);
        },
        creditcard: function( value, element ) {
            if ( this.optional(element) ) {
                return "dependency-mismatch";
            }
            if ( /[^0-9 \-]+/.test(value) ) {
                return false;
            }
            var nCheck = 0,
                nDigit = 0,
                bEven = false;

            value = value.replace(/\D/g, "");

            for (var n = value.length - 1; n >= 0; n--) {
                var cDigit = value.charAt(n);
                nDigit = parseInt(cDigit, 10);
                if ( bEven ) {
                    if ( (nDigit *= 2) > 9 ) {
                        nDigit -= 9;
                    }
                }
                nCheck += nDigit;
                bEven = !bEven;
            }

            return (nCheck % 10) === 0;
        },
        minlength: function( value, element, param ) {
            var length = $.isArray( value ) ? value.length : this.getLength($.trim(value), element);
            return this.optional(element) || length >= param;
        },
        maxlength: function( value, element, param ) {
            var length = $.isArray( value ) ? value.length : this.getLength($.trim(value), element);
            return this.optional(element) || length <= param;
        },
        rangelength: function( value, element, param ) {
            var length = $.isArray( value ) ? value.length : this.getLength($.trim(value), element);
            return this.optional(element) || ( length >= param[0] && length <= param[1] );
        },
        min: function( value, element, param ) {
            return this.optional(element) || value >= param;
        },
        max: function( value, element, param ) {
            return this.optional(element) || value <= param;
        },
        range: function( value, element, param ) {
            return this.optional(element) || ( value >= param[0] && value <= param[1] );
        },
        equalTo: function( value, element, param ) {
            var target = $(param);
            if ( this.settings.onfocusout ) {
                target.unbind(".validate-equalTo").bind("blur.validate-equalTo", function() {
                    $(element).valid();
                });
            }
            return value === target.val();
        },
        remote: function( value, element, param ) {
            if ( this.optional(element) ) {
                return "dependency-mismatch";
            }
            var previous = this.previousValue(element);
            if (!this.settings.messages[element.name] ) {
                this.settings.messages[element.name] = {};
            }
            previous.originalMessage = this.settings.messages[element.name].remote;
            this.settings.messages[element.name].remote = previous.message;

            param = typeof param === "string" && {url:param} || param;

            if ( previous.old === value ) {
                return previous.valid;
            }

            previous.old = value;
            var validator = this;
            this.startRequest(element);
            var data = {};
            data[element.name] = value;
            $.ajax($.extend(true, {
                url: param,
                mode: "abort",
                port: "validate" + element.name,
                dataType: "json",
                data: data,
                success: function( response ) {
                    validator.settings.messages[element.name].remote = previous.originalMessage;
                    var valid = response === true || response === "true";
                    if ( valid ) {
                        var submitted = validator.formSubmitted;
                        validator.prepareElement(element);
                        validator.formSubmitted = submitted;
                        validator.successList.push(element);
                        delete validator.invalid[element.name];
                        validator.showErrors();
                    } else {
                        var errors = {};
                        var message = response || validator.defaultMessage( element, "remote" );
                        errors[element.name] = previous.message = $.isFunction(message) ? message(value) : message;
                        validator.invalid[element.name] = true;
                        validator.showErrors(errors);
                    }
                    previous.valid = valid;
                    validator.stopRequest(element, valid);
                }
            }, param));
            return "pending";
        }

    };
    var defaults = {
        messages: {},
        groups: {},
        rules: {},
        errorClass: "form_error",
        validClass: "valid",
        errorElement: "div",
        focusInvalid: true,
        errorContainer: $([]),
        errorLabelContainer: $([]),
        onsubmit: true,
        ignore: ":hidden",
        ignoreTitle: false,
        onfocusin: function( element, event ) {
            this.lastActive = element;
            if ( this.settings.focusCleanup && !this.blockFocusCleanup ) {
                if ( this.settings.unhighlight ) {
                    this.settings.unhighlight.call( this, element, this.settings.errorClass, this.settings.validClass );
                }
                this.addWrapper(this.errorsFor(element)).hide();
            }
        },
        onfocusout: function( element, event ) {
            if ( !this.checkable(element) && (element.name in this.submitted || !this.optional(element)) ) {
                this.element(element);
            }
        },
        onkeyup: function( element, event ) {
            if ( event.which === 9 && this.elementValue(element) === "" ) {
                return;
            } else if ( element.name in this.submitted || element === this.lastElement ) {
                this.element(element);
            }
        },
        onclick: function( element, event ) {
            if ( element.name in this.submitted ) {
                this.element(element);
            }
            else if ( element.parentNode.name in this.submitted ) {
                this.element(element.parentNode);
            }
        },
        highlight: function( element, errorClass, validClass ) {
            if ( element.type === "radio" ) {
                this.findByName(element.name).addClass(errorClass).removeClass(validClass);
            } else {
                $(element).addClass(errorClass).removeClass(validClass);
            }
        },
        unhighlight: function( element, errorClass, validClass ) {
            if ( element.type === "radio" ) {
                this.findByName(element.name).removeClass(errorClass).addClass(validClass);
            } else {
                $(element).removeClass(errorClass).addClass(validClass);
            }
        }
    };
    var messages = {
        required: "写点东西吧",
        remote: "请修正该字段",
        email: "请输入正确格式的电子邮件",
        url: "请输入合法的网址",
        date: "请输入合法的日期",
        dateISO: "请输入合法的日期 (ISO).",
        number: "请输入合法的数字",
        digits: "只能输入整数",
        creditcard: "请输入合法的信用卡号",
        equalTo: "请再次输入相同的值",
        maxlength: format("请输入一个 长度最多是 {0} 的字符串"),
        minlength: format("请输入一个 长度最少是 {0} 的字符串"),
        rangelength: format("请输入 一个长度介于 {0} 和 {1} 之间的字符串."),
        range: format("请输入一个介于 {0} 和 {1} 之间的值."),
        max: format("请输入一个最大为{0} 的值"),
        min: format("请输入一个最小为{0} 的值")
    };

    $.extend($.fn, {
        validateDelegate: function( delegate, type, handler ) {
            return this.bind(type, function( event ) {
                var target = $(event.target);
                if ( target.is(delegate) ) {
                    return handler.apply(target, arguments);
                }
            });
        }

    });

    function validator(form,options){
        this.currentForm = $(form);
        this.settings = $.extend(true,{},defaults,options);
        this.init();
    }


    validator.prototype = {
        init:function(){
            var that = this;

            this.labelContainer = $(this.settings.errorLabelContainer);
            this.errorContext = this.labelContainer.length && this.labelContainer || $(this.currentForm);
            this.containers = $(this.settings.errorContainer).add( this.settings.errorLabelContainer );
            this.submitted = {};
            this.valueCache = {};
            this.pendingRequest = 0;
            this.pending = {};
            this.invalid = {};
            this.reset();

            var groups = (this.groups = {});
            $.each(this.settings.groups, function( key, value ) {
                if ( typeof value === "string" ) {
                    value = value.split(/\s/);
                }
                $.each(value, function( index, name ) {
                    groups[name] = key;
                });
            });
            /*var rules = this.settings.rules;
            $.each(rules, function( key, value ) {
                rules[key] = $.validator.normalizeRule(value);
            });*/

            function delegate(event) {
                var eventType = "on" + event.type.replace(/^validate/, "");
                if ( that.settings[eventType] ) {
                    that.settings[eventType].call(that, this[0], event);
                }
            }
            $(this.currentForm)
                .validateDelegate(":text, [type='password'], [type='file'], select, textarea, " +
                    "[type='number'], [type='search'] ,[type='tel'], [type='url'], " +
                    "[type='email'], [type='datetime'], [type='date'], [type='month'], " +
                    "[type='week'], [type='time'], [type='datetime-local'], " +
                    "[type='range'], [type='color'] ",
                    "focusin focusout keyup", delegate)
                .validateDelegate("[type='radio'], [type='checkbox'], select, option", "click", delegate);

        },

        form: function() {
            this.checkForm();
            $.extend(this.submitted, this.errorMap);
            this.invalid = $.extend({}, this.errorMap);
            if ( !this.valid() ) {
                $(this.currentForm).triggerHandler("invalid-form", [this]);
            }
            this.showErrors();
            return this.valid();
        },

        checkForm: function() {
            this.prepareForm();
            for ( var i = 0, elements = (this.currentElements = this.elements()); elements[i]; i++ ) {
                this.check( elements[i] );
            }
            return this.valid();
        },

        element: function( element ) {
            element = this.validationTargetFor( this.clean( element ) );
            this.lastElement = element;
            this.prepareElement( element );
            this.currentElements = $(element);
            var result = this.check( element ) !== false;
            if ( result ) {
                delete this.invalid[element.name];
            } else {
                this.invalid[element.name] = true;
            }
            if ( !this.numberOfInvalids() ) {
                this.toHide = this.toHide.add( this.containers );
            }
            this.showErrors();
            return result;
        },

        showErrors: function( errors ) {
            if ( errors ) {
                $.extend( this.errorMap, errors );
                this.errorList = [];
                for ( var name in errors ) {
                    this.errorList.push({
                        message: errors[name],
                        element: this.findByName(name)[0]
                    });
                }
                this.successList = $.grep( this.successList, function( element ) {
                    return !(element.name in errors);
                });
            }
            if ( this.settings.showErrors ) {
                this.settings.showErrors.call( this, this.errorMap, this.errorList );
            } else {
                this.defaultShowErrors();
            }
        },

        resetForm: function() {
            if ( $.fn.resetForm ) {
                $(this.currentForm).resetForm();
            }
            this.submitted = {};
            this.lastElement = null;
            this.prepareForm();
            this.hideErrors();
            this.elements().removeClass( this.settings.errorClass ).removeData( "previousValue" );
        },

        numberOfInvalids: function() {
            return this.objectLength(this.invalid);
        },

        objectLength: function( obj ) {
            var count = 0;
            for ( var i in obj ) {
                count++;
            }
            return count;
        },

        hideErrors: function() {
            this.addWrapper( this.toHide ).hide();
        },

        valid: function() {
            return this.size() === 0;
        },

        size: function() {
            return this.errorList.length;
        },

        focusInvalid: function() {
            if ( this.settings.focusInvalid ) {
                try {
                    $(this.findLastActive() || this.errorList.length && this.errorList[0].element || [])
                        .filter(":visible")
                        .focus()
                        .trigger("focusin");
                } catch(e) {

                }
            }
        },

        findLastActive: function() {
            var lastActive = this.lastActive;
            return lastActive && $.grep(this.errorList, function( n ) {
                return n.element.name === lastActive.name;
            }).length === 1 && lastActive;
        },

        elements: function() {
            var validator = this,
                rulesCache = {};

            return $(this.currentForm)
                .find("input, select, textarea")
                .not(":submit, :reset, :image, [disabled]")
                .not( this.settings.ignore )
                .filter(function() {
                    if ( !this.name && validator.settings.debug && window.console ) {
                        console.error( "%o has no name assigned", this);
                    }

                    if ( this.name in rulesCache || !validator.objectLength($(this).rules()) ) {
                        return false;
                    }

                    rulesCache[this.name] = true;
                    return true;
                });
        },

        clean: function( selector ) {
            return $(selector)[0];
        },

        errors: function() {
            var errorClass = this.settings.errorClass.replace(" ", ".");
            console.log(errorClass  )
            return $(this.settings.errorElement + "." + errorClass, this.errorContext);
        },

        reset: function() {
            this.successList = [];
            this.errorList = [];
            this.errorMap = {};
            this.toShow = $([]);
            this.toHide = $([]);
            this.currentElements = $([]);
        },

        prepareForm: function() {
            this.reset();
            this.toHide = this.errors().add( this.containers );
        },

        prepareElement: function( element ) {
            this.reset();
            this.toHide = this.errorsFor(element);
        },

        elementValue: function( element ) {
            var type = $(element).attr("type"),
                val = $(element).val();

            if ( type === "radio" || type === "checkbox" ) {
                return $("input[name='" + $(element).attr("name") + "']:checked").val();
            }

            if ( typeof val === "string" ) {
                return val.replace(/\r/g, "");
            }
            return val;
        },

        check: function( element ) {
            element = this.validationTargetFor( this.clean( element ) );

            var rules = this.rules(element);
            var dependencyMismatch = false;
            var val = this.elementValue(element);
            var result;

            for (var method in rules ) {
                var rule = { method: method, parameters: rules[method] };
                try {

                    result = methods[method].call( this, val, element, rule.parameters );

                    if ( result === "dependency-mismatch" ) {
                        dependencyMismatch = true;
                        continue;
                    }
                    dependencyMismatch = false;

                    if ( result === "pending" ) {
                        this.toHide = this.toHide.not( this.errorsFor(element) );
                        return;
                    }

                    if ( !result ) {
                        this.formatAndAdd( element, rule );
                        return false;
                    }
                } catch(e) {
                    if ( this.settings.debug && window.console ) {
                        console.log( "Exception occurred when checking element " + element.id + ", check the '" + rule.method + "' method.", e );
                    }
                    throw e;
                }
            }
            if ( dependencyMismatch ) {
                return;
            }
            if ( this.objectLength(rules) ) {
                this.successList.push(element);
            }
            return true;
        },

        customDataMessage: function( element, method ) {
            return $(element).data("msg-" + method.toLowerCase()) || (element.attributes && $(element).attr("data-msg-" + method.toLowerCase()));
        },

        customMessage: function( name, method ) {
            var m = this.settings.messages[name];
            return m && (m.constructor === String ? m : m[method]);
        },

        findDefined: function() {
            for(var i = 0; i < arguments.length; i++) {
                if ( arguments[i] !== undefined ) {
                    return arguments[i];
                }
            }
            return undefined;
        },

        defaultMessage: function( element, method ) {
            return this.findDefined(
                this.customMessage( element.name, method ),
                this.customDataMessage( element, method ),
                !this.settings.ignoreTitle && element.title || undefined,
                messages[method],
                "<strong>Warning: No message defined for " + element.name + "</strong>"
            );
        },

        formatAndAdd: function( element, rule ) {
            var message = this.defaultMessage( element, rule.method ),
                theregex = /\$?\{(\d+)\}/g;
            if ( typeof message === "function" ) {
                message = message.call(this, rule.parameters, element);
            } else if (theregex.test(message)) {
                message = $.validator.format(message.replace(theregex, "{$1}"), rule.parameters);
            }
            this.errorList.push({
                message: message,
                element: element
            });

            this.errorMap[element.name] = message;
            this.submitted[element.name] = message;
        },

        addWrapper: function( toToggle ) {
            if ( this.settings.wrapper ) {
                toToggle = toToggle.add( toToggle.parent( this.settings.wrapper ) );
            }
            return toToggle;
        },

        defaultShowErrors: function() {
            var i, elements;
            for ( i = 0; this.errorList[i]; i++ ) {
                var error = this.errorList[i];
                if ( this.settings.highlight ) {
                    this.settings.highlight.call( this, error.element, this.settings.errorClass, this.settings.validClass );
                }
                this.showLabel( error.element, error.message );
            }
            if ( this.errorList.length ) {
                this.toShow = this.toShow.add( this.containers );
            }
            if ( this.settings.success ) {
                for ( i = 0; this.successList[i]; i++ ) {
                    this.showLabel( this.successList[i] );
                }
            }
            if ( this.settings.unhighlight ) {
                for ( i = 0, elements = this.validElements(); elements[i]; i++ ) {
                    this.settings.unhighlight.call( this, elements[i], this.settings.errorClass, this.settings.validClass );
                }
            }
            this.toHide = this.toHide.not( this.toShow );
            this.hideErrors();
            this.addWrapper( this.toShow ).show();
        },

        validElements: function() {
            return this.currentElements.not(this.invalidElements());
        },

        invalidElements: function() {
            return $(this.errorList).map(function() {
                return this.element;
            });
        },

        showLabel: function( element, message ) {
            var label = this.errorsFor( element );
            if ( label.length ) {
                // refresh error/success class
                label.removeClass( this.settings.success).addClass( this.settings.errorClass).addClass("error_wrapper");
                // replace message on existing label
                label.find('.error_content').html(message);
                label.show();
            } else {
                // create label
                var temple = '<div class="error_wrapper">' +
                    '<span class="error_bot"></span><span class="error_top"></span>' +
                    '<div class="error_content"></div></div>';
                label = $(temple).attr("for", this.idOrName(element))
                    .removeClass(this.settings.validClass)
                    .addClass(this.settings.errorClass);

                label.find('.error_content')
                    .html(message || "");

                //todo  此处用容器来显示有问题....
                if ( this.settings.wrapper ) {
                    // make sure the element is visible, even in IE
                    // actually showing the wrapped element is handled elsewhere
                    label = label.hide().show().wrap("<" + this.settings.wrapper + "/>").parent();
                }

                if ( !this.labelContainer.append(label).length ) {
                    if ( this.settings.errorPlacement ) {
                        this.settings.errorPlacement(label, $(element) );
                    } else {
                        label.insertAfter(element);
                    }
                }
            }
            if ( !message && this.settings.success ) {
                label.find('.error_content').html("");

                if (typeof this.settings.success === "string" ) {
                    label.removeClass("error_wrapper").addClass( this.settings.success );
                } else {
                    this.settings.success( label, element );
                }
            }
            this.toShow = this.toShow.add(label);
        },

        errorsFor: function( element ) {
            var name = this.idOrName(element);

            return this.errors().filter(function() {
                return $(this).attr("for") === name;
            });
        },

        idOrName: function( element ) {
            return this.groups[element.name] || (this.checkable(element) ? element.name : element.id || element.name);
        },

        validationTargetFor: function( element ) {
            if ( this.checkable(element) ) {
                element = this.findByName( element.name ).not(this.settings.ignore)[0];
            }
            return element;
        },

        checkable: function( element ) {
            return (/radio|checkbox/i).test(element.type);
        },

        findByName: function( name ) {
            return $(this.currentForm).find("[name='" + name + "']");
        },

        getLength: function( value, element ) {
            switch( element.nodeName.toLowerCase() ) {
                case "select":
                    return $("option:selected", element).length;
                case "input":
                    if ( this.checkable( element) ) {
                        return this.findByName(element.name).filter(":checked").length;
                    }
            }
            return value.length;
        },

        depend: function( param, element ) {
            return this.dependTypes[typeof param] ? this.dependTypes[typeof param](param, element) : true;
        },

        dependTypes: {
            "boolean": function( param, element ) {
                return param;
            },
            "string": function( param, element ) {
                return !!$(param, element.form).length;
            },
            "function": function( param, element ) {
                return param(element);
            }
        },

        optional: function( element ) {
            var val = this.elementValue(element);
            return methods.required.call(this, val, element) && "dependency-mismatch";
        },

        startRequest: function( element ) {
            if ( !this.pending[element.name] ) {
                this.pendingRequest++;
                this.pending[element.name] = true;
            }
        },

        stopRequest: function( element, valid ) {
            this.pendingRequest--;
            if ( this.pendingRequest < 0 ) {
                this.pendingRequest = 0;
            }
            delete this.pending[element.name];
            if ( valid && this.pendingRequest === 0 && this.formSubmitted && this.form() ) {
                $(this.currentForm).submit();
                this.formSubmitted = false;
            } else if (!valid && this.pendingRequest === 0 && this.formSubmitted) {
                $(this.currentForm).triggerHandler("invalid-form", [this]);
                this.formSubmitted = false;
            }
        },

        previousValue: function( element ) {
            return $.data(element, "previousValue") || $.data(element, "previousValue", {
                old: null,
                valid: true,
                message: this.defaultMessage( element, "remote" )
            });
        },

        rules:function(element,command,argument){
            var element = $(element);
            //todo ....
            if(command){

            }
            var data = this.normalizeRules(
                $.extend(
                    {},
                    this.classRules(element),
                    this.attributeRules(element),
                    this.dataRules(element),
                    this.staticRules(element)
                ),element);

            if(data.required){
                var param = data.required;
                delete data.required;
                data = $.extend({required:param},data);
            }
            return data;
        },
        classRuleSettings:{
            required:{required:true},
            email:   {email:true},
            url:     {url:true},
            date:    {date:true},
            dateISO: {dateISO:true},
            number:  {number:true},
            digits:  {digits:true},
            creditcard:{creditcard:true}
        },
        addClassRules:function(className,rules){
            if(className.constructor === String){
                this.classRuleSettings[className] = rules;
            }else{
                $.extend(this.classRuleSettings,className);
            }
        },
        classRules:function(element){
            var that = this;
            var rules = {};
            var classes = $(element).attr("class");
            if(classes){
                $.each(classes.split(" "),function(){
                    if(this in that.classRuleSettings){
                        $.extend(rules,that.classRuleSettings[this]);
                    }
                });
            }
            return rules;
        },
        attributeRules:function(element){
            var rules = {};
            var $element = $(element);
            var type = $element[0].getAttribute("type");

            for(var method in methods){
                var value;

                if(method === "required"){
                    value = $element.get(0).getAttribute(method);

                    if(value === ""){
                        value = true;
                    }
                    value = !!value;
                }else{
                    value = $element.attr(method);
                }

                if(/min|max/.test(method) && (type === null || /number|range|text/.test(type))){
                    value = Number(value);
                }

                if(value){
                    rules[method] = value;
                }else if(type === method && type!=="range"){
                    rules[method] = true;
                }
            }

            if ( rules.maxlength && /-1|2147483647|524288/.test(rules.maxlength) ) {
                delete rules.maxlength;
            }

            return rules;
        },
        dataRules:function(element){
            var method,value,
                rules = {},$element = $(element);
            for(method in methods){
                value = $element.data("rule-" + method.toLowerCase());
                if(value !== undefined){
                    rules[method] = value;
                }
            }
            return rules;
        },
        staticRules:function(element){
            var rules = {};
            if(this.settings.rules){
                rules = this.normalizeRule(this.settings.rules[element.name]) || {}
            }
            return rules;
        },
        normalizeRules:function(rules,element){
            $.each(rules,function(prop,val){
                if(val === false){
                    delete rules[prop];
                    return;
                }
                if(val.param || val.depends){
                    var keepRule = true;
                    switch(typeof val.depends){
                        case "string":
                            keepRule = !!$(val.depends,element.form).length
                            break;
                        case "function":
                            keepRule = val.depends.call(element,element);
                            break;
                    }

                    if(keepRule){
                        rules[prop] = val.param !== undefined ? val.param : true;
                    }else{
                        delete rules[prop]
                    }
                }
            });

            $.each(rules,function(rule,parameter){
                rules[rule] = $.isFunction(parameter) ? parameter(element) : parameter;
            });

            $.each(["minlength","maxlength"],function(){
                if(rules[this]){
                    rules[this] = Number(rules[this]);
                }
            });

            $.each(["rangelength","range"],function(){
                var parts;
                if(rules[this]){
                    if($.isArray(rules[this])){
                        rules[this] = [Number(rules[this][0]),Number(rules[this][1])];
                    }else if(typeof rules[this] === "string"){
                        parts = rules[this].split(/[\s,]+/);
                        rules[this] = [Number(parts[0]),Number(parts[1])];
                    }
                }
            });
            return rules;
        },
        normalizeRule:function(data){
            if(typeof data === "string"){
                var transformed = {};
                $.each(data.split(/\s/),function(){
                    transformed[this] = true;
                });
                data = transformed;
            }
            return data;
        }
    };

    return validator;
});